Curated OER
Calculators
Students investigate the four basic operations of mathematics that are addition, subtraction, multiplication, and division. The use of a technology game is part of the lesson. They demonstrate the proper use of a calculator as part of...
Curated OER
Number Sentences
Fifth graders become familiar with problem solving strategies of guess and check and working backwards. They demonstrate the basic concepts of addition, subtraction, multiplication, and division using a math sentence.
Curated OER
Operations on Matrices
A guided lesson using the WolframAlpha computer program. The class explores the basic operations of adding, subtracting, multiplying and dividing matrices to solve problems.
Curated OER
Two-Step Problems and Money Concepts
Elementary schoolers solve two-step equations and practice money concepts. They solve multi-step addition and subtraction contextual problems and apply money concepts to real life situations. Pupils use pictures and counters to help them...
Curated OER
Rooster's Off to See the World
Young learners listen to the book Rooster's Off to See the World, and complete simple math activities using the book. In this simple math lesson, students read and list the animals in the book. They arrange animal picture squares using...
Math Worksheets Land
Add and Subtract to 100
Give your scholars some basic practice with addition and subtraction problems. Because the answers are explained at the bottom, consider projecting this and covering up the bottom, revealing only after class responses have been shared....
Curated OER
Fraction Food Frenzy
Learners study addition of fractions with like denominators using illustrations and problem solving.
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Names for Numbers
In this mathematics worksheet, 1st graders identify various numbers and use counters to illustrate each fact given. Then they complete the math sentences correctly.
Curated OER
Fact Families to 10
In this mathematics worksheet, 1st graders complete each fact family. Then they solve each addition and subtraction sentence using counter to show their sentence. Students also explain their idea of what a fact family is to them.
Curated OER
Add and Subtract within 20
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...
Curated OER
Handcarts - A Unique Form of Transportation
An interesting historical fact about how handcarts benefitted to the Mormon pioneers is the context behind this math lesson. Using given facts and figures regarding the handcart, pupil pairs create math word problems, share them with the...
Curated OER
Hershey Chocolate Fractions
In order for learners to acquire knowledge about math concepts, and in particular fractions, they need concrete ways to practice an abstract concept.¿¿¿ Using Hershey bars builds on prior knowledge as most students have probably...
Curated OER
Area Applet
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Slowly But Surely
The US mint has created this fabulous lesson plan, which practices language arts and mathematics skills. Learners will use the provided worksheets and step-by-step instructions to experiment with different sentence structures, use...
Math Mammoth
Add & Subtract Integers Fact Sheet
Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to...
CK-12 Foundation
Two-Dimensional Vectors: River Ferry and Current Vectors
Fight against the current. Pupils explore the resulting path when they are crossing a river while being pushed downstream by the current. Using vector notation, learners express the speed and direction of a ferry. They finish by...
CK-12 Foundation
Sums of Integers with Different Signs: Board Game
Five questions challenge scholars to show what they know about integers. Using an interactive board game, learners move pieces to discover where a player landed, then answer problems involving both positive and negative integers.
Curated OER
Carry and Borrow
Second graders complete basic math computations. In this addition and subtraction lesson, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. Students...
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Adding 4 Digit Numbers
In this addition worksheet, students solve a total of 20 problems adding one 4-digit number to another. Page includes a link to a paid worksheet tool site.
Curated OER
Addition Sums Less than 30: Addends 10 to 15
In this addition worksheet, students solve 20 problems in which they add 2 numbers together. The addends are between 10 and 15 and the sums are all less than 30.
Curated OER
Addition Sums Less than 30: Addends 5 to 15
In this addition instructional activity, students solve 20 problems in which they add numbers that are less than 30. These addition problems include addends between 5 and 15.
Curated OER
Addition Facts Less than 24: Addends 7 to 12
In this addition learning exercise, students solve 20 problems in which they add 2 numbers together. The addends are always between 7 and 12.
Curated OER
Addition Sums Less than 30: Addends 7 to 15
In this addition worksheet, students solve 20 problems in which they add 2 numbers together. The addends are always between 7 and 15.